src/DotNetCommon.Core/JsonHelper.cs

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using DotNetCommon.Extensions;
using DotNetCommon.Serialize;
using System;
using System.Collections.Concurrent;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace DotNetCommon
{
    /// <summary>
    /// json帮助类
    /// </summary>
    public static class JsonHelper
    {
        /// <summary>
        /// 格式化json
        /// </summary>
        /// <param name="srcJson">原json</param>
        /// <param name="isIntend">是否缩进</param>
        /// <param name="removeComment">是否移除注释</param>
        /// <returns></returns>
        public static string Format(string srcJson, bool isIntend = true, bool removeComment = true)
        {
            if (srcJson.IsNullOrEmptyOrWhiteSpace()) return srcJson;
            using var doc = JsonSerializer.Deserialize<JsonDocument>(srcJson, new JsonSerializerOptions
            {
                AllowTrailingCommas = true,
                ReadCommentHandling = removeComment ? JsonCommentHandling.Skip : JsonCommentHandling.Allow,
            });
            var res = JsonSerializer.Serialize(doc, new JsonSerializerOptions
            {
                WriteIndented = isIntend,
                Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
            });
            return res;
        }

        /// <summary>
        /// 判断json是否是数组
        /// </summary>
        /// <param name="srcJson"></param>
        /// <returns></returns>
        public static bool IsArray(string srcJson)
        {
            if (srcJson.IsNullOrEmptyOrWhiteSpace()) return false;
            if (srcJson.StartsWith("[")) return true;
            if (srcJson.StartsWith("{")) return false;

            var index = 0;
            var len = srcJson.Length;
            var singleComment = false;
            var multiComment = false;
            var preMultiEnd = false;
            var preComment = false;
            while (index < len)
            {
                var c = srcJson[index];
                index++;
                if (singleComment)